SOLUTION: I am having problem understanding this question. Please help me. Sixty-four students in an introductory college economics class were asked how many credits they had earned in c

Question 130868: I am having problem understanding this question. Please help me.
Sixty-four students in an introductory college economics class were asked how many credits they had earned in college, and how certain they were about their choice of major. Research question: At α = .01, is the degree of certainty independent of credits earned?
Credits Earned Very Uncertain Somewhat Certain Very Certain Row Total
0�9 12 8 3 23
10�59 8 4 10 22
60 or more 1 7 11 19
Col Total 21 19 24 64

Please help me. I need our help desperately.

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Sixty-four students in an introductory college economics class were asked how many credits they had earned in college, and how certain they were about their choice of major. Research question: At alpha = .01, is the degree of certainty independent of credits earned?
Credits Earned Very Uncertain Somewhat Certain Very Certain Row Total
0�9 12 8 3 23
10�59 8 4 10 22
60 or more 1 7 11 19
Col Total 21 19 24 64
-----------------------------------
Ho: degree of certainty is independent of credits earned
Ha: they are dependent
I ran a Chi-Sq. Test on the data to get:
Critical values:
Test statistic = 14.7638...
p-value = 0.00521...
Conclusion: Since p-value is less than 1% reject Ho
-----------
Cheers,
Stan H.
RELATED QUESTIONS
Please help me. I need your help with this question. Thank you kindly. 15.18... (answered by stanbon)

I need to know if it is necessary to change the alpha level on the Chi-Square function in (answered by stanbon)

Hi, Can you please help me solve for this, Doane−Seward: Applied Statistics in... (answered by stanbon)

Sixty-four students in an introductory college economics class were asked how many... (answered by stanbon)

18 Sixty-four students in an introductory college economics class were asked how many... (answered by stanbon)

Hi need help on this question. Sixty-four students in an introductory college... (answered by stanbon)

Please help. I saw the question but the response to it is not available. Thanks in... (answered by stanbon)

I am in college Prealgebra and Introductory Algebra. This Greek to me and I seriously... (answered by irla,ewatrrr,lenny460)

15.18 Sixty-four students in an introductory college economics class were asked how many... (answered by stanbon)